11/17/2008 05:12 am ET Updated May 25, 2011

Calatrava Stops Work On Chicago Spire

Renowned Spanish architect Santiago Calatrava has stopped working on the Chicago Spire, claiming the developer hasn't paid $11.34 million he's owed for his work on the planned 2,000-foot twisting tower.

The lien against Dublin, Ireland-based Shelbourne Development Ltd., along with another by architecture firm Perkins & Will Inc. for $4.85 million, is the latest sign that the planned 150-story tower is struggling to get out of the ground.

A venture affiliated with Mr. Calatrava filed a lien Oct. 8 with the Cook County Recorder, saying it suspended work on the Spire July 16 because of non-payment.

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